Cooler



FIG. 1 is a front elevation view of a cooler showing my new design.

FIG. 2 is a rear elevation view thereof.

FIG. 3 is a bottom elevation view thereof.

FIG. 4 is a top elevation view thereof.

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a left side elevation view thereof. 

CLAIM The ornamental design for a cooler, as shown. 